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[vsnet-newvar 1198] New Takamizawa variable (TmzV870)

New Takamizawa variable (TmzV870)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV870).

TmzV870
= GSC4032.1186 015615.79 +600103.9 (2000.0) 12.05 1 N
= IRAS01527+5946 015247.3 +594624 (1950.0)
     F12=1.44  F25=0.83  F60=0.40L F100=10.96L
     VAR= 0 LRS=-1
  possibly IIIa: variable star with more evolved O-rich c.s. shell
  or VIb: variable star with relatively hot dust close to
       the star and relatively cold dust at large distance
       may be O-rich
  or VII: variable star with more evolved C-rich circumstellar shell
= 015615.0 +600102 (2000.0) MSX5C_G130.9520-01.8412 -29 -15 1 1 -1 -4 V(%):-:-:1:-:-:-
= 015616.1 +600103 (2000.0) IRAS01527+5946 1.444 0.845 0.400L 11.470L 0%
= 015616.1 +600103 (2000.0) SSC01527+5946 1.444 0.845 0.400L 11.470L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.4-13.8p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV870        19950127.432  127p  Tmz.VSOLJ
TmzV870        19960922.656  137p  Tmz.VSOLJ
TmzV870        19970613.737  138p  Tmz.VSOLJ
TmzV870        19970811.675  135p  Tmz.VSOLJ
TmzV870        19971218.478  135p  Tmz.VSOLJ
TmzV870        19980116.420  127p  Tmz.VSOLJ
TmzV870        19980629.693  134p  Tmz.VSOLJ
TmzV870        19980820.646  124p  Tmz.VSOLJ
TmzV870        19990724.672  125p  Tmz.VSOLJ
TmzV870        19991128.440  135p  Tmz.VSOLJ
TmzV870        20000902.678  129p  Tmz.VSOLJ
TmzV870        20011023.605  136p  Tmz.VSOLJ

Observer's code:
  Tmz: K.Takamizawa (Saku-machi,Nagano,Japan)
       SASS (Saku All Sky Survey)
       Inst.: 10cmR F4 twin patrol cameras and 25cm F2.8
       Baker-Schmidt camera T-Max400 120
       Comparison stars mag.:GSC

Relayed from Kesao Takamizawa <k-takamizawa@nifty.ne.jp>

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